2013 AUDI A5 CABRIOLET check engine

2 70 Con sum er Inf ormation
comp lexity of today's automobi les, have
steadi ly reduced the scope of maintenance
and repairs which can be carried out by vehicle
owners.
Also, s afety an d e nvir onm ent al con­
cerns place very strict limits on the nature of repairs and adjustments to engine and trans ­
miss ion pa rts which an owner can perform .
Maintenance, adjustments and repa irs usua lly
require special tools, testing devices and oth­
er equipment avai lab le to specially trained
workshop personnel in order to assure proper
performance, reliab ility and safety of the vehi­
cle and its many systems .
Improper ma intenance, adjustments and re ­
pa irs can impair the operation and reliab ility
of your vehicle and even void your vehicle war­ ranty. Therefo re , proof of servici ng in accord­
ance w it h the ma intenance sched ule may be a
condition for upholding a possible warranty
claim made within the warran ty period.
Above all, operational safety can be adve rsely
affected, c reating unnecessary risks for you
and your passengers.
If in doubt about any serv icing, have it done
by your author ized Audi dealer or any other
p roperly equipped and qualified workshop .
We strong ly urge you to give your authorized
Audi dealer the opportunity to perform all
schedu led maintenance and necessary repairs .
Your dea ler has the facilities, or iginal parts
and tra ined spec ialists to keep your vehicle
running properly .
Performing lim it e d m aint en anc e y ourself
The fo llowing pages describe a limited num­
ber of procedures which can be performed on
you r vehicle with ordinary too ls, shou ld the
need arise and trained personnel be unavaila­
ble. Before performing any of these proce­
dures, always thoroughly read all of the app li­
cable text and ca refully follow the instruc­
tions given. Always rigorously obse rve the
WARNINGS p rovided .
Before you ch eck anything in th e engin e
compartme nt, alway s read an d heed all WARNINGS
¢ & a
nd ¢ & in Working in the
engine comportment on page 212 .
A WARNING
--Serious personal in jury may occur as a re-
sult of improperly performed mainte­ nance, adjustments or repa irs.
- Always be extremely careful when work­
ing on the vehicle. Always follow com­
monly accepted safety pract ices and gen­
eral common sense. Never r isk personal
in jur y.
- Do not attempt any of the maintenance,
checks or repairs descr ibed o n the fol­
lowing pages if you are not fu lly fam iliar
with these or other procedures with re­ spect to the ve hicl e, or are uncerta in how
to proceed .
- Do not do any work withou t the proper
too ls and equipment . Have the necessary
work done by your authorized A udi deal ­
er or anothe r properly equipped and
qualified workshop.
- The engine compar tment o f any motor
vehicle is a potentially hazardous area. Never reach into the area around or
touch the rad iator fan. It is temperature
control led and can sw itch on suddenly -
even when the engine is off and the igni­
tion key has been removed. The rad iator
fan switches on automatically when the coo lant reaches a certai n tempera ture
and will cont inue to run until the coo lant
temperature drops .
- Always remove the ign ition key befo re
a nyone gets under the veh icle.
- Always suppor t your veh icle with safety
s tands if it is necessary to work under­
neath the vehicle. The jack s upplied with
the vehicle is not adequate for this pur ­
pose and co uld co llapse causing serio us
personal injury.
- If you must work unde rneath the vehicle
with the wheels on the ground, a lways
make sure the vehicle is on leve l ground,
that the wheels are always secure ly
blocked and that the engine cannot be
started.

-Always make sure the transm ission se­
lector lever (automatic transmiss io n) is
in "P" (Park positi on) a nd the park brake
is firm ly ap plied .
@) For the sake of the environment
-Changing t he eng ine settings w ill ad­
versely affect em ission levels. This is det­
rimental to the environment and increas­
es fuel consumption .
- Always observe env ironmental regula­
tions when d isposing of old engine oil,
used brake fluid, dirty engine coolant,
spent batter ies or worn out t ires.
- Undeployed airbag modules and preten­
s ioners might be classified as Perchlo­
r ate Mate rial -spec ia l hand ling may ap­
ply, see www.dts c.ca .gov/haza rdous­
was te/perch lorate. When the veh icle or
parts of the res traint system in cl ud ing
a irbag modules safety be lts wit h preten ­
sioners are scrapped, all applicable laws
and regulations must be observed. Your
a uthorized Audi dea ler is familiar w ith
these requirements and we recommend
that you have your dea ler perform this
se rv ice for you .
Additional accessories,
modifications and
parts replacement
Additional accessories and parts
replacement
Always consult an authorized Audi dealer be­
fore purchasing acce ssories.
Your veh icle inco rporates the latest safety de­
sig n featu res e nsu ring a high standard of ac­
tive and passive safe ty .
This safety could be comp romised by non-ap­
p roved changes to the ve hicle. For this reason ,
if pa rts have to be replaced, please observe
t he following points when ins tall ing addition­
a l accessories:
Con sumer In formation 2 7 1
Approved Audi accesso ries and genuine Aud i
parts are available from authorized A udi deal­
ers.
T hese de alers a lso have the necessary facili­
ties, tools and tra ined spec ialists to install the
parts and accessories proper ly .
A WARNING
Using the wrong spare pa rts or using non­
approved accessories can cause damage to
the vehicle and ser ious persona l injury.
- Use on ly accessories express ly approved
by Audi and ge nuine Audi spare parts
- These parts and accessories have been
specially designed to be used on yo ur ve­
hicle.
- Never install accessor ies such as tele­
phone crad les or beverage ho lders o n air­
bag covers or withi n the airbag deploy­
ment zones . Do ing so will increase t he
ris k of injury if a irbags are triggered in an
accide nt!
- Before you check anything in the engine
compa rtment, always r ead and heed a ll
W ARNINGS ~
page 205.
(D Note
- If items other than genu ine A udi spare
par ts, add-on equipmen t and accessory
items are used o r if repair wo rk is not
performed a ccord ing to spe cified met h­
ods, this ca n resu lt in s evere damage to
yo ur vehicle's engine and body (s uch as
co rrosion) and adversely affect yo ur vehi ­
cle's warranty .
- If emergency repairs mus t be performed
elsewhere, have the veh icle examined by
an authorized Aud i dealer as soon as
possible.
- The manufacturer cannot be held liable
for damage wh ich occ urs due to failure
to comply with these stipu lations.
•
•

276 Index
Changing a wheel
Changing engine oil
Chassis 249
218
Undercoating .............. .. .... . 201
Checking Eng ine coolant leve l ...... ... .. .... . 219
Checking tire pressure ....... ..... .. . 233
Child restraints Danger of using child restraints in the
front seat . . . . . . . . . . . . . . . . . . . . . . . . 141
Where can I get add itional information
about child restraints and their use? . . 178
Child restraint system anchors ... .. .. . 175
Ch ild safety .. ............. .. .. .. .. . 161
Convertible locking retractor . ..... ... 17 1
Important safety instructions for using
child safety seats ................. . 164
Important things to know when driving
with children .............. .. .... . 161
Installing a child restraint using the
L ATCH system ......... .... ... .. .. . 177
Lower anchorages ............ .. ... 176
Mounting and releasing the anchorage
hook .. .... ... .......... .. .. .. .. . 177
Ch ild safety seats . ..... .... .. .. .... . 167
Booster seats ............. ... .. ... 169
Convertible ch ild seats . . . . . . . . . . . . . 168
Conve rtible locking retractor .. .. .. .. . 171
Danger of using child restra ints in the
front seat .... ............. ...... . 141
How do I properly install a child safety
seat in my vehicle? ................. 164
Infant seats .............. ... .. .. . 167
Installing . . . . . . . . . . . . . . . . . . . . . . . . 171
LATCH system ............ .. .. .. .. . 177
Safety instructions .. ...... .. .. .. .. . 164
Unused safety belts on the rear seat .. 166
Cigarette lighter . . . . . . . . . . . . . . . . . . . . . 66
C leaning
A lcantara® (synthe tic suede) .. .. .. .. . 204
E ngine compartment ............ .. . 205
Exhaust tail pipes ........... .. .... . 201
Fabrics and fabric coverings . ..... .. . 202
Instrument panel ........... .. .... . 202
Interior .. ............... .. .. .... . 201
Leather .... .......... ...... ... .. . 204
Matte finish pa int ......... ... .. ... 197
MMI disp lay/controls .. .... .. .. .. .. . 201 Plastic
and vinyl . . . . . . . . . . . . . . . . . . . 199
Plastic parts ..... ................ . 202
Safety be lts ... .. ................ . 205
Trim strips .... .. ............. .... 199
Cleaning and protection .......... .... 194
Climate controls ... ..... ........... .. 70
Climate control system Automatic recircu lation ......... .... . 73
Supplementary heater ........ .. .. .. . 73
synchroni zing . . . . . . . . . . . . . . . . . . . . . . 73
Clock ..... ..... .. .. .............. .. 12
Closing Power windows .. ............. .. .. . 39
Closing/opening at the lock cylinder ................ .. 36
by remote control . . . . . . . . . . . . . . . . . . 34
with the centra l locking switch ........ 35
with the conven ience key ........ .... . 35
Cold tire inflation pressure ........ .... 231
Coming home . . . . . . . . . . . . . . . . . . . . . . . 53
Compact spare tire . ................ . 248
also refer to Spare tire . ...... ... .. .. 248
Compass in the mirror ........... .... . 59
Compliance ... .. .. .. .............. . 272
Consumer Information . . . . . . . . . . 129, 269
Contacting NHTSA ................. . 129
Convenience key
Indicator lights .. ... .......... .. .. . 79
Starting engine (S TART ENGINE STOP
button) ....... .. .. .............. .. 78
Stopping the engine (START ENGINE
STOP button) . . . . . . . . . . . . . . . . . . . . . . 79
Switching on ignition ........... .... . 78
unlocking/locking ... ... .... ... .. .. . 35
Convenience opening/closing ....... .. . 40
Convertib le child safety seats ......... 168
Convertible locking retractor Activating ..... .. ............. .... 173
Deactivating . .. .. ..... ........... . 173
Using to secure a child safety seat 1.71, 173
Coolant system . ... ................ . 219
Cooling mode (automat ic climate control) 71
Cooling System Expansion tank . .. ................ . 219
Cornering light . . . . . . . . . . . . . . . . . . . . . . 52

278 Index
Hood ....... .. .. ..... ... .. .. .... . 212
Starting . . . . . . . . . . . . . . . . . . . . . . 75, 78
Starting with jumper cab les .. .. .. .. . 259
Stopping . . . . . . . . . . . . . . . . . . . . . . 77, 79
E ng ine compar tmen t
Safety instructions . . . . . . . . . . . . . . . . . 212
Working the engi ne compa rtment 212
E ng ine coolant
I ndicator light . . . . . . . . . . . . . . . . . . . . . 18
Eng ine coolant system ...... .. .. .. .. . 219
Adding coolant .. .......... ... .. .. . 220
Check ing coolant leve l ...... ... .. .. . 219
C hec king the eng ine coolant leve l . . . . . 21 9
R ad ia to r fan .. . ........ .. .. .. .. .. . 22 1
Eng ine coolant temperature
Temperature gauge ........... .. .... 10
Engine data . .... . ...... ... .. .. .... . 267
E ng ine hood
C losing .... ............. .. .. .. .. . 212
H ow to release the hood ... .. .. .... . 2 12
E ng ine oi l ... .. ........ .... ... .. .. . 214
Adding .. .. ................ ... ... 217
Addit ives . ... ............ .. .. .. .. . 217
C hanging .. ... .......... .. .. .. .. . 218
Che ck oil leve l ........... .... .... . 217
Consumpt io n . ... ..... ... .. .. .... . 217
Indicator light . .. ..... ... .. .. .. 1 7,21
O il consumption .......... .... .... . 216
O il grades ... ............ .. .. .. .. . 214
O il level symbol ............ .. .... .. 21
Pressure malfunction ....... ..... .. .. 17
Sensor defective . . . . . . . . . . . . . . . . . . . . 21
Specif ication and viscos ity . . . . . . . . . . . 214
Eng ine speed limitat ion ..... .. .. .... .. 21
E nv iro nment
Break -in period . .. ..... ... .. .. .... . 18 7
Cata lytic converter ..... ... .. .. .... . 188
Disposing of yo ur vehicle battery .. .. . 226
Driving at high speeds . . . . . . . . . . . . . . 189
Driving to m inim ize pollution and no ise 189
Fue l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
F uel economy ............. ... .. ... 189
Le aks under your veh icle . ........ .. . 212
L ett ing t he ve hicl e s tand and wa rm up . 189
P roper disposal of dra ined br ake flu id . 22 2 Proper disposal of d
rained eng ine cool -
ant . ... .. .... .. .. ... ..... ... .. .. 220
Proper d isposal of d rained eng ine
o il ... .... .... .. ............ 217,218
Recycling used engine oil ........ .... 217
U nleaded fuel .. .. ................ . 207
What s hou ld I do w ith an old battery? . 226
EPC
refer to Electronic power control . . . . . . 20
E SC (Electron ic Sta biliz atio n Con trol )
Warning/ind icator lights ..... ... .. .. . 19
E thy l alcohol (Fuel) . ................ . 208
Event Data Recorder (EDR) . . . . . . . . . . . . 179
E xhaus t tai l pipes
C leaning . ..... .. .. ... ..... ... .. .. 2 01
E xpansion tank . ... ... .. .. ... ..... .. 219
Exterior lighting . . . . . . . . . . . . . . . . . . . . . 52
E xte rior m irrors
Adjus ting . . . . . . . . . . . . . . . . . . . . . . . . . 55
D imming . ..... .. .. ... ..... ... .. .. . 56
Heating ... .... .. .. ... ..... ... .. .. . 55
F
Fan
R adiator
Fastening 2
21
Boos ter seats .... ............. .... 169
C o nvertib le child sa fe ty seats .. ...... 168
Infan t se ats
Flat tire 16
7
Chang ing ... .. .. ... .. .. ... ..... .. 2 49
flexib le fue l ... .. .. ............. .. .. 208
Floor ma ts .. .. .. .. ............. .. .. 126
Fog lights/rea r fog lig ht(s) .. .. .. .. .. .. . 52
Fol ding the rear seats ..... .... ... .. .. . 68
Foot peda ls . .. .. .. ............. .. .. 1 26
For the sake of the environment Gasoli ne fumes and the e nvironme nt .. 210
Letting the engine warm up . . . . . . 75, 78
Ref ueling ... .. .. ... .. .. ... ..... .. 210
Sav ing f uel by early ups hifting . .. .. .. . 11
Front a irbags
Description .... .. ................. 144
How they work . . . . . . . . . . . . . . . . . . . . 149
Frontal coll is ions and the laws of phys ics 133
F ront passenger's door emergency lo cking 36

280 Index
Indicator ligh ts ................ .... .. 13
Airbag system . .......... .. .. .... . 151
Dynamic steering .................. 183
PASSENG ER AIR BAG OFF .. .. .. .... . 151
also refer to Warning/indicator lights .. 13
Infant seats .... ........ .. .. .. .... . 167
Install ing ch ild safety seats
Safety belts . . . . . . . . . . . . . . . . . . . . . .
171
Instruments
Adjusting the lighting ..... .. .. .. .. . .
55
Instruments and controls ... .. .... .. . . 10
General i llustration .. ..... .. .. .. ... .. 8
I nter ior lights
Front .. .. .. .. . .......... .. .. .... ..
55
Rear .. .. .. .. .......... ... .. .... .. 55
Intermittent (windshield wipers) ... .. . . 57
J
Jump-starting 259
Ju mper cables . ........... ... .. .... . 260
K
Key ..... .... ... .......... .. .. .. .. .. 32
Battery replacement .......... .... ..
33
Check light . . . . . . . . . . . . . . . . . . . . . . . . 33
Emergency key . . . . . . . . . . . . . . . . . 32, 77
Ignition/engine on/off ..... .. .. .... .. 75
Key replacement ........... .. .. .. .. 32
Mechanical key . . . . . . . . . . . . . . . . . 32, 33
removing . . . . . . . . . . . . . . . . . . . . . . . . . 77
unlocking/locking . . . . . . . . . . . 34, 35, 36
Kick-down . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Knee airbags ... ........... .. .. .. .. .
155
D escr iptio n .............. .. .. .. .. . 155
How they work ... .......... .. .... . 156
Important safety instructions ..... .. . 157
L
La ne Change Assistant
refer to side assist ............ .... . 103
LA T C H ............ .......... ...... 175
Description . ... .......... .. .. .. .. . 176
Install ing a chi ld restraint .. .. .. .. .. . 177
Locat ion ... .......... ..... .. .... . 176
Mounting and releasing the anchorage
hook .... ... .... ........ .. .. .... .
177
Launch Control Prog ram ......... .. .. . 91
Leather ....... ... ................ .
203
Cleaning ...... .. ............. .... 204
Leav ing home ... .. ............. .... . 53
Left hand drive .... ... .......... .. .. . 54
Lifting jack ..... .. ..... ....... .... . 252
Lifting vehicle ... .. ... .......... .. .. 263
Light
adaptive light . . . . . . . . . . . . . . . . . . . . . .
52
Coming/Leaving home ........ .. .. .. . 53
Daytime running lights . . . . . . . . . . 52, 53
Exterior lighting . . . . . . . . . . . . . . . . 52, 53
Fog lights/rear fog light(s) ........ .. . 52
Interior/reading . . . . . . . . . . . . . . . . . . . . 55
Low beam ..... .. .......... ...... .. 52
Rear fog lights ... ..... .. ... ..... .. . 52
S ide marker lights . . . . . . . . . . . . . . . . . . 52
Tra vel mode . . . . . . . . . . . . . . . . . . . . . . . 54
Light/rain sensor
Headlights .. .. .. ..... ....... .... ..
52
Intermittent (w indshield w ipers) ..... . 57
Sensor defective . . . . . . . . . . . . . . . . . . . . 22
Lights
Emergen cy flashers . . . . . . . . . . . . . . . . . 54
High beam .... .. ... .... ...... .... . 53
Turn sign als . .. .. .......... ...... .. 53
Locking
Rear lid ... .... ... ................ .
37
Locking/unlocking
at the lock cylinder . . . . . . . . . . . . . . . . . .
36
by remote control . . . . . . . . . . . . . . . . . . 34
with the centra l locking switch ... .. .. . 35
with the conven ience key ........ .... . 35
Low beams ..... .. ............. .... . 52
Lower anchorage locator button ....... 176
Lower universal anchorage bars (Canada) 175
Lower universal anchorages (Canada) 175
Luggage
Stow ing .. .. ... ... ... ..... ... .. ..
127
Luggage compartment . . . . . . . . . . . . . . . . 68
Enlarging . . . . . . . . . . . . . . . . . . . . . . . . . 68
Lid ..... .. .. .. .. ............... .. . 37
Load ing ... .... .. ... .......... .... 127
Ski sack ... .... ... ................ . 68
Tie-downs . . . . . . . . . . . . . . . . . . . . 68, 128
Luggage compartment lid
Emergency un locking ........... .....
38

284 Index
Sound system display . . . . . . . . . . . . . . . . . 24
Sources of information about child re-
straints and their use ......... .. .... . 178
Spare tire .. ................. .. .... . 248
Speedometer . . . . . . . . . . . . . . . . . . . . . . . 12
Speed rating letter code ...... ..... .. . 239
Speed warn ing system ...... .. .. .... .. 82
Sport different ial ........ .. .. .. .. .. . 107
I ndicator lamp . . . . . . . . . . . . . . . . . . . . . 22
START ENGINE STOP button (convenience
key) ...... .. ................ ... ... . 79
STAR T ENGIN E ST OP button (Convenience
key) .. .. .. .. ............. .. .. .. ... . 78
Starting from rest .............. .... .. 81
Starting off with a tra iler .... .. .. .. .. . . 82
Starting the engine . . . . . . . . . . . . . . 75, 78
Steer ing
L ack ing the steer ing . . . . . . . . . . . . . . . . 7 5
also refer to Electro-mechanical power
assist ..... ................ ..... . 183
Steering wheel
Adjusting steering column ... .. .. .. . . 75
I ndicator light . . . . . . . . . . . . . . . . 18, 183
Steps for determining correct load limit . 236
Stopp ing the engine . . . . . . . . . . . . . . 77, 79
Storage ... .... ........... .... .... .. 66
S tronic . .. ................. .. .... .. 86
Selector lever . . . . . . . . . . . . . . . . . . . . . . 86
S tron ic transmission
Emergency release . . . . . . . . . . . . . . . . . . 92
Launch Control Program ... .. .. .... .. 91
Sun visors .... ............ .. .. .. .. .. 57
Symbols
refer to Warni ng/ind icator lights .. .. . . 13
T
Tachometer . . . . . . . . . . . . . . . . . . . . . . . . . 11
Technical modifications .............. 272
The first 1,000 miles (1,500 km) and after-
wards ... .. ... ............ .. .. .. .. . 187
Tie-downs . . . . . . . . . . . . . . . . . . . . . 68, 128
tiptronic . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Automatic Shift Lock (ASL) . . . . . . . . . . . 87
Driving .. .. ................ ..... .. 88
Emergency mode . . . . . . . . . . . . . . . . . . . 92 Manual
shift program ............ .. . 90
Se lector lever . . . . . . . . . . . . . . . . . . . . . . 86
T ire pressure .... .. ............. .... 233
Tire pressure monitoring system Loss of air pressure . .. ...... ... .. .. 246
Malfunction ... .. ..... ........... . 246
Resetting tire pressures ............ . 247
Tires ....... .... .. ................. 227
Low aspect ratio tires . . . . . . . . . . . . . . . 244
Service life .... .. ... .......... .... 237
Speed rating letter code ...... ... ... 239
Tire manufacturing date ...... ... ... 239
T ire pressure monitoring system . .. .. 245
T ire specifications .. ........... .. .. 239
T read depth ... .. ............. .... 237
Uniform tire quality grading ......... 241
Winter tires ..... ................ . 242
T ires and vehicle load limits ..... .. .. .. 235
Tires and wheels Checking tire pressure .......... .... 233
Cold tire inflation pressure .......... 231
Dimens ions .. .. .. ....... ...... .. .. 238
Genera l notes .. .. .... ...... ... .. .. 227
Glossary of tire and loading terminolo-
gy ....... .. .. .. .. ... ............ 228
New tires and wheels .............. . 238
Replacing ..... .. ............. .... 239
Snow chains ..... ................ . 243
Tires and veh icle load limits ..... .... 235
Wheel bolts . . . . . . . . . . . . . . . . . . . . . . 244
Win ter tires ..... ............. .... 242
Tire service life .... ................ . 23 7
Tool kit ....... ... ................ . 248
Torn or frayed safety belts ........ .... 135
T o uch -up pa int .. .. ... .......... .. .. 199
Towing Front eyelet ... .. ....... ...... .. .. 262
Rear eyelet .. .. .. ............. .. .. 262
T ow t ruck procedures ............. .. 261
TPMS Tire pressure monitoring system ..... 246
T railer towing ..... ................ . 191
Operating instructions .......... .... 191
Technical requirements . . . . . . . . 191, 192
Tips .. .... .... .. ............. .... 193